CN111719365B - Prefabricated structure of assembled bridge of high-speed railway and construction method - Google Patents
Prefabricated structure of assembled bridge of high-speed railway and construction method Download PDFInfo
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- CN111719365B CN111719365B CN202010653617.9A CN202010653617A CN111719365B CN 111719365 B CN111719365 B CN 111719365B CN 202010653617 A CN202010653617 A CN 202010653617A CN 111719365 B CN111719365 B CN 111719365B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
- E01B35/12—Applications of measuring apparatus or devices for track-building purposes for measuring movement of the track or of the components thereof under rolling loads, e.g. depression of sleepers, increase of gauge
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
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- A Measuring Device Byusing Mechanical Method (AREA)
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Abstract
The invention relates to the technical field of high-speed railway settlement measurement, in particular to a prefabricated structure of an assembled bridge of a high-speed railway and a construction method.
Description
Technical Field
The invention relates to the technical field of high-speed railway settlement measurement, in particular to a prefabricated structure of an assembly type bridge of a high-speed railway and a construction method.
Background
For example, the railway track settlement detection device with publication number CN210391170U, this railway track settlement detection device, including two supporting mechanism, two the supporting mechanism all includes a supporting box, and the shifting chute has all been seted up to the inside of two supporting boxes, and the spout has all been seted up to the both sides wall of two shifting chutes, and the equal joint in inside of two spouts has the slider. This railway rails subsides detection device, through setting up supporting mechanism, the level bar, level pipe and scale, through observing the scale, can detect out the distance that the rail subsides, through observing the level pipe, can detect out the angle that the rail subsides the back slope, the effect of detecting simultaneously to rail subside distance and angle has been reached, possess the advantage that the suitability is high and railway workman low in labor strength, it needs railway workman to carry the electronic level at any time to have solved current detection mode, make railway workman's intensity of labour increase, and can not carry out the problem that detects to the angle after the rail subsides. After the assembly type bridge prefabricated structure of the high-speed railway is installed, the settlement of the rail needs to be measured so as to ensure the normal use of the rail, but the device is too complex in use process and cannot display the measurement structure immediately.
Disclosure of Invention
The invention aims to provide a prefabricated structure of an assembled bridge of a high-speed railway and a construction method, which can measure the settlement of a rail after the prefabricated structure of the assembled bridge of the high-speed railway is installed, and ensure the normal use of the rail even if the measurement structure is displayed.
The purpose of the invention is realized by the following technical scheme:
a prefabricated structure of a high-speed railway assembled bridge comprises a measuring main body and two supporting rods, wherein the upper ends of the two supporting rods are respectively connected to the left end and the right end of the measuring main body in a sliding mode, the prefabricated structure of the high-speed railway assembled bridge further comprises springs I, two adjusting screw rods, two adjusting rod groups, supporting blocks, an elasticity measuring structure, an angle inner frame, an angle measuring rope and a protractor, sliding cavities are respectively arranged on the two sides of the measuring main body, the inner ends of the two springs I are respectively fixedly connected to the inner side walls of the two sliding cavities, the outer ends of the two springs I are respectively fixedly connected with the upper ends of the two supporting rods, the two adjusting screw rods are respectively in transmission connection with the two sides of the measuring main body and are respectively in transmission connection with the outer sides of the upper ends of the corresponding supporting rods, and each supporting rod group is rotatably connected in each supporting rod, the lower extreme rotates and is connected with the supporting shoe, supporting shoe sliding connection is at the lower extreme of corresponding bracing piece, elasticity measurement structure is provided with two, and two elasticity measurement structure sliding connection are respectively in the lower part of two bracing pieces, and the equal fixedly connected with angle inner tower in inboard of every elasticity measurement structure, and the front and back side of every elasticity measurement structure upper end all is provided with the protractor, the angle measurement rope is provided with two, and the both ends of two angle measurement ropes are rotated respectively and are connected two angle inner tower upper portions that are located the front side and two angle inner tower upper portions that are located the rear side.
As a further optimization of the technical scheme, the prefabricated structure of the assembled bridge of the high-speed railway comprises a measurement main body, two sliding cavities, two threaded holes I, two holding rods, scales, leveling tubes and handles, wherein the two sliding cavities are respectively arranged on the left side and the right side of the main body, the main body is provided with the threaded holes I, the two holding rods are respectively and fixedly connected to the left side and the right side of the main body, the scales are respectively arranged on the front side and the rear side of the left side and the right side of the main body, the two leveling tubes are symmetrically arranged in the front and the rear of the middle of the main body, the handles are fixedly connected to the middle of the upper end of the main body, and the two adjusting screw rods are respectively connected into the two threaded holes I in a threaded fit manner.
As a further optimization of the technical scheme, the prefabricated structure of the assembled bridge of the high-speed railway comprises a support rod, a slide block, a rotary hole, a scale needle, a rod I, a rod II, scale scales, a rod III, a threaded hole II and a cross groove, wherein the slide block is slidably connected in a corresponding sliding cavity, the rotary hole is formed in the outer side of the slide block, the scale needle is arranged in the middle of the front side and the rear side of the upper end of the slide block, the rod I is fixedly connected to the lower end of the slide block, the rod II is fixedly connected to the lower end of the rod I, the two scale scales are symmetrically arranged on the front side and the rear side of the rod II, the rod III is fixedly connected to the lower end of the rod II, the threaded hole II penetrates through the slide block, the rod I, the rod II and the rod III, the cross groove is formed in the lower end of the rod III, the outer ends of two springs I are respectively fixedly connected with the two slide blocks, the inner ends of two adjusting screw rods are respectively rotatably connected in the two rotary holes, the two adjusting rod groups are respectively and rotatably connected in the two threaded holes II, the lower part of the elastic force measuring structure is slidably connected onto the corresponding rod II, and the supporting block is slidably connected into the corresponding cross groove.
As further optimization of the technical scheme, the prefabricated structure of the assembled bridge of the high-speed railway is characterized in that the inner end of the adjusting screw is provided with a transfer end I, and the transfer end I is rotatably connected in the corresponding transfer hole.
As further optimization of the technical scheme, the prefabricated structure of the assembled bridge of the high-speed railway comprises an adjusting rod group, wherein the adjusting rod group comprises an upper threaded rod, a lower sliding rod and a switching end II, the upper end and the lower end of the lower sliding rod are respectively and fixedly connected with the upper threaded rod and the switching end II, the supporting block is rotatably connected to the corresponding switching end II, and the upper threaded rod is connected into the corresponding threaded hole II in a threaded fit mode.
As further optimization of the technical scheme, the prefabricated structure of the assembled bridge of the high-speed railway comprises a supporting block and a supporting block, wherein the supporting block comprises a cross plate, a bottom pad and a hole, the bottom pad is arranged on the lower surface of the cross plate, the hole penetrates through the cross plate and the bottom pad, the switching end II is rotatably connected in the hole, and the cross plate is connected in a corresponding cross groove in a sliding mode.
As a further optimization of the technical scheme, the prefabricated structure of the assembled bridge of the high-speed railway comprises a bottom plate, a spring ii, an upper ring and a stay bar, wherein the spring ii is fixedly connected to the inner side of the bottom plate, the upper ring is fixedly connected to the upper end of the spring ii, the stay bar is fixedly connected to the lower surface of the inner side of the bottom plate, the spring ii and the upper ring penetrate through the corresponding rod ii, the upper ring is fixedly connected with the rod ii, the outer side of the bottom plate is slidably connected to the rod ii, and the angle inner frame is fixedly connected to the inner side of the bottom plate.
As a further optimization of the technical scheme, the prefabricated structure of the assembled bridge of the high-speed railway comprises an angle inner frame, a half frame and inner connecting rods, wherein the angle inner frame comprises a folding rod, the half frame and the inner connecting rods, the folding rod is fixedly connected to the inner side of the bottom plate, the half frame is fixedly connected to the upper ends of the folding rod, the inner connecting rods are arranged on the inner sides of the upper portions of the half frame, the end portions of the angle measuring ropes are rotatably connected to the corresponding inner connecting rods, protractors are arranged on the front side and the rear side of the upper end of the half frame, and the centers of the front side and the rear side of the upper end of the half frame are coincided with the circle centers of the protractors.
As further optimization of the technical scheme, the angle measuring rope comprises an elastic rope and connecting rings, the two ends of the elastic rope are fixedly connected with the connecting rings, and the connecting rings are rotatably connected to the corresponding inner connecting rods.
A construction method of a prefabricated structure of an assembled bridge of a high-speed railway comprises the following steps:
the method comprises the following steps: when the device is used, the two adjusting screws are rotated according to the width of the rail sleeper to respectively drive the positions of the two supporting rods, the distance between the two supporting rods is changed, and the distance between the two elastic force measuring structures after adjustment is adaptive to the width of the sleeper;
step two: holding two sides of the measuring main body by hands, pressing downwards to enable the lower ends of the inner sides of the two elasticity measuring structures to be abutted against the side edges of the sleepers, and abutting the bottoms of the two supporting rods against the ground, wherein the distance of the two elasticity measuring structures moving upwards is the distance between two sides of the sleepers and the ground;
step three: if the moving distances of the two angle inner frames have a distance difference, the sleeper inclines, and the inclination angle can be determined by the measuring relation of the angle measuring rope and the protractor.
The fabricated bridge prefabricated structure of the high-speed railway and the construction method have the beneficial effects that:
the sleeper specification of same rail track is generally unified, when the staff when using this device, only need adjust once distance between two bracing pieces can be at settlement inspection in-process used repeatedly, and this device detects gained data directly perceived strong, and testing process is simple and convenient, adjusts and can directly use after finishing, need not any operation in addition, and improves the efficiency that detects work and guarantees the accuracy that the device detected data.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic overall structure diagram of a prefabricated structure of an assembled bridge of a high-speed railway according to the invention;
FIG. 2 is a schematic overall fragmentary structure of the present invention;
FIG. 3 is a schematic structural view of a measurement body of the present invention;
FIG. 4 is a schematic view of the construction of the support pole of the present invention;
FIG. 5 is a schematic view of the adjusting screw of the present invention;
FIG. 6 is a schematic view of the structure of the set of adjustment rods of the present invention;
FIG. 7 is a schematic view of the support block of the present invention;
FIG. 8 is a schematic structural view of an elasticity measurement structure of the present invention;
FIG. 9 is a schematic structural view of the angular inner frame of the present invention;
fig. 10 is a schematic view of the structure of the angle measuring string of the present invention.
In the figure: a measuring body 1; a main body rod 1-1; a sliding cavity 1-2; 1-3 threaded holes; 1-4 of a holding rod; 1-5 of scales; 1-6 of a leveling tube; 1-7 of a handle; a support rod 2; 2-1 of a slide block; 2-2 of a rotary hole; 2-3 of a graduated needle; 2-4 of a rod I; a rod II 2-5; 2-6 parts of a graduated scale; rods III 2-7; 2-8 of a threaded hole; 2-9 parts of a cross groove; a spring I3; an adjusting screw rod 4; a transfer end I4-1; an adjusting rod group 5; 5-1 of an upper threaded rod; 5-2 parts of a lower sliding rod; a transfer end II 5-3; a support block 6; 6-1 of a cross plate; 6-2 of bottom cushion; 6-3 of holes; an elastic force measuring structure 7; a bottom plate 7-1; 7-2 of a spring; 7-3 of an upper ring; 7-4 of a support rod; an angle inner frame 8; 8-1 of a folding rod; 8-2 of a half frame; 8-3 of an inner connecting rod; an angle measuring cord 9; 9-1 of elastic ropes; a connecting ring 9-2; a protractor 10.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1-10, and the prefabricated structure of the assembled bridge of the high-speed railway comprises a measuring main body 1 and two supporting rods 2, wherein the two supporting rods 2 are arranged, the upper ends of the two supporting rods 2 are respectively connected to the left end and the right end of the measuring main body 1 in a sliding manner, the prefabricated structure of the assembled bridge of the high-speed railway further comprises two springs i 3, two adjusting screws 4, two adjusting rod sets 5, supporting blocks 6, an elasticity measuring structure 7, an angle inner frame 8, an angle measuring rope 9 and a protractor 10, sliding cavities 1-2 are respectively arranged on both sides of the measuring main body 1, the two springs i 3 are respectively fixedly connected to the inner side walls of the two sliding cavities 1-2, the outer ends of the two springs i 3 are respectively fixedly connected to the upper ends of the two supporting rods 2, the two adjusting screws 4 are respectively connected to both sides of the measuring main body 1 in a transmission manner, the inner end of the elastic force measuring device is rotatably connected with the outer side of the upper end of the corresponding support rod 2, the adjusting rod group 5 is rotatably connected in each support rod 2, the lower end of the support rod is rotatably connected with the support block 6, the support block 6 is slidably connected to the lower end of the corresponding support rod 2, the two elastic force measuring structures 7 are respectively slidably connected to the lower portions of the two support rods 2, an angle inner frame 8 is fixedly connected to the inner side of each elastic force measuring structure 7, the front side and the rear side of the upper end of each elastic force measuring structure 7 are respectively provided with an angle gauge 10, the angle measuring ropes 9 are provided with two angle measuring ropes 9, and the two ends of each angle measuring rope 9 are respectively rotatably connected to the upper portions of the two angle inner frames 8 located on the front side and the upper portions of the two angle inner frames 8 located on the rear side.
The sleeper specification of same rail track is generally unified, when the staff when using this device, only need adjust once distance between two bracing pieces 2 can be at settlement inspection in-process used repeatedly, and this device detects gained data directly perceived strong, and testing process is simple and convenient, can directly use after finishing adjusting, need any operation in addition outward, and improve the efficiency that detects work and guarantee the accuracy that the device detected data.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1-10, and the embodiment further describes the first embodiment, the measuring body 1 includes a body rod 1-1, two sliding cavities 1-2, threaded holes i 1-3, two holding rods 1-4, two scales 1-5, two leveling tubes 1-6 and two handles 1-7, the two sliding cavities 1-2 are respectively disposed on the left and right sides of the body rod 1-1, the body rod 1-1 is provided with the threaded holes i 1-3, the two holding rods 1-4 are provided, the two holding rods 1-4 are respectively fixedly connected to the left and right sides of the body rod 1-1, the scales 1-5 are disposed on the front and back of the left and right sides of the body rod 1-1, and the two leveling tubes 1-6 are symmetrically disposed on the front and back of the middle portion of the body rod 1-1, the lifting handle 1-7 is fixedly connected to the middle of the upper end of the main body rod 1-1, and the two adjusting screw rods 4 are connected into the two threaded holes I1-3 in a threaded fit mode respectively.
The third concrete implementation mode:
the second embodiment is further described with reference to fig. 1-10, the support rod 2 includes a sliding block 2-1, a rotating hole 2-2, a graduated needle 2-3, a rod i 2-4, a rod ii 2-5, a graduated scale 2-6, a rod iii 2-7, a threaded hole ii 2-8 and a cross slot 2-9, the sliding block 2-1 is slidably connected in the corresponding sliding cavity 1-2, the rotating hole 2-2 is disposed on the outer side of the sliding block 2-1, the graduated needle 2-3 is disposed in the middle of the front and rear sides of the upper end of the sliding block 2-1, the rod i 2-4 is fixedly connected to the lower end of the sliding block 2-1, the rod ii 2-5 is fixedly connected to the lower end of the rod i 2-4, and two graduated scales 2-6 are symmetrically disposed on the front and rear sides of the rod i 2-4, the elastic force measuring device comprises a rod II 2-5, threaded holes II 2-8, two adjusting screw rods 4, two adjusting rod groups 5, two threaded holes II 2-8, two springs I3, two sliding blocks 2-1, two adjusting screw rods 2-4, two adjusting screw rod groups 5, two supporting blocks 6 and two threaded holes II 2-8, wherein the rod III 2-7 is fixedly connected to the lower end of the rod II 2-5, the threaded holes II 2-8 are arranged in the sliding blocks 2-1, the rods I2-4, the rods II 2-5 and the rods III 2-7 in a penetrating mode, the cross grooves 2-9 are arranged at the lower end of the rod III 2-7, the outer ends of the two springs I3 are fixedly connected with the two sliding blocks 2-1 respectively, the inner ends of the two adjusting screw rods 4 are rotatably connected into the two rotating holes 2-2 respectively, the two adjusting rod groups 5 are rotatably connected into the two threaded holes II 2-8 respectively, the lower portion of the elastic force measuring structure 7 is slidably connected to the corresponding rod II 2-5, and the supporting blocks 6 are slidably connected into the corresponding cross grooves 2-9.
The fourth concrete implementation mode:
in the following, the present embodiment is described with reference to fig. 1 to 10, and the third embodiment is further described, wherein the inner end of the adjusting screw rod 4 is provided with a transition end i 4-1, and the transition end i 4-1 is rotatably connected in the corresponding transition hole 2-2.
The fifth concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 10, and the embodiment further describes the first embodiment, the adjusting lever group 5 includes an upper threaded rod 5-1, a lower sliding rod 5-2 and a switching end ii 5-3, the upper end and the lower end of the lower sliding rod 5-2 are respectively and fixedly connected with the upper threaded rod 5-1 and the switching end ii 5-3, the supporting block 6 is rotatably connected to the corresponding switching end ii 5-3, and the upper threaded rod 5-1 is connected in the corresponding threaded hole ii 2-8 through threaded fit.
The sixth specific implementation mode:
the embodiment is described below with reference to fig. 1-10, and the fifth embodiment is further described in the present embodiment, where the support block 6 includes a cross plate 6-1, a bottom pad 6-2 and a hole 6-3, the bottom pad 6-2 is disposed on the lower surface of the cross plate 6-1, the hole 6-3 penetrates through the cross plate 6-1 and the bottom pad 6-2, the rotation end ii 5-3 is rotatably connected in the hole 6-3, and the cross plate 6-1 is slidably connected in the corresponding cross slot 2-9.
When a more stable supporting point is needed, the upper threaded rod 5-1 can be rotated to drive the cross plate 6-1 to slide downwards along the cross groove 2-9, after the upper end of the upper threaded rod 5-1 is attached to the upper surface of the sliding block 2-1, the maximum movement limit is reached, and at the moment, the lower surface of the bottom pad 6-2 is coincided with the lower surface of the rod III 2-7.
The seventh embodiment:
this embodiment will be described with reference to fig. 1 to 10, which further illustrate the first embodiment, the elastic force measuring structure 7 comprises a bottom plate 7-1, a spring II 7-2, an upper ring 7-3 and a support rod 7-4, the spring II 7-2 is fixedly connected to the inner side of the bottom plate 7-1, the upper ring 7-3 is fixedly connected to the upper end of the spring II 7-2, the support rod 7-4 is fixedly connected with the lower surface of the inner side of the bottom plate 7-1, the spring II 7-2 and the upper ring 7-3 penetrate through the corresponding rod II 2-5, and the upper ring 7-3 is fixedly connected with the rod II 2-5, the outer side of the bottom plate 7-1 is connected to the rod II 2-5 in a sliding mode, and the angle inner frame 8 is fixedly connected to the inner side of the bottom plate 7-1.
The specific implementation mode is eight:
the present embodiment is described below with reference to fig. 1 to 10, and the seventh embodiment is further described in the present embodiment, where the angle inner frame 8 includes a folding rod 8-1, a half frame 8-2, and an inner connecting rod 8-3, the folding rod 8-1 is fixedly connected to the inner side of the bottom plate 7-1, the half frame 8-2 is fixedly connected to the upper end of the folding rod 8-1, the inner connecting rods 8-3 are respectively disposed on the inner sides of the upper portions of the half frames 8-2, the end portions of the angle measuring ropes 9 are rotatably connected to the corresponding inner connecting rods 8-3, the front and rear sides of the upper end of the half frame 8-2 are respectively provided with a protractor 10, and the centers of the front and rear sides of the upper end of the half frame 8-2 coincide with the center of the protractor 10.
The specific implementation method nine:
referring to fig. 1-10, the present embodiment will be described in detail, and the present embodiment further describes an eighth embodiment, where the angle measuring string 9 includes an elastic string 9-1 and a connection ring 9-2, both ends of the elastic string 9-1 are fixedly connected with the connection ring 9-2, and the connection ring 9-2 is rotatably connected to the corresponding inner link 8-3.
A construction method of a prefabricated structure of an assembled bridge of a high-speed railway comprises the following steps:
the method comprises the following steps: when the device is used, the two adjusting screws 4 are rotated according to the width of the rail sleeper to respectively drive the positions of the two supporting rods 2, the distance between the two supporting rods 2 is changed, and the distance between the two elastic force measuring structures 7 after adjustment is adaptive to the width of the sleeper;
step two: holding two sides of the measuring main body 1 by hands, pressing downwards to enable the lower ends of the inner sides of the two elasticity measuring structures 7 to be pressed against the side edges of the sleeper, and pressing the bottoms of the two support rods 2 against the ground, wherein the distance of the two elasticity measuring structures 7 moving upwards is the distance between two sides of the sleeper and the ground;
step three: if the two angle inner frames 8 move at a distance difference, the sleeper inclines, and the inclination angle can be determined by the measurement relation of the angle measuring rope 9 and the angle gauge 10.
The invention discloses a prefabricated structure of an assembled bridge of a high-speed railway, which has the working principle that:
when in use, the two adjusting screws 4 are rotated according to the width of the rail sleeper, the two adjusting screws 4 are respectively connected in the two threaded holes I1-3 in a thread fit manner, when the adjusting screws 4 are rotated, can move inwards or outwards along the corresponding threaded hole I1-3, and the switching end I4-1 is rotatably connected in the corresponding rotating hole 2-2, when the adjusting screw rod 4 moves, the sliding block 2-1 is driven to slide along the sliding cavity 1-2, the moving distance of the supporting rods 2 is determined through the scale needles 2-3 and the scales 1-5, the distance between the two supporting rods 2 is changed, the two elastic force measuring structures 7 respectively move along with the two supporting rods 2, and the distance between the two elastic force measuring structures 7 is adapted to the width of the sleeper after adjustment, so that the bottom ends of the two supporting rods 7-4 can be respectively lapped on the side of the sleeper to be side;
and after the adjustment is finished, beginning to perform settlement measurement operation, which comprises the following specific operations:
holding the holding rods 1-4 at the two sides of the measuring main body 1 by hands, then pressing downwards along the trend to enable the lower ends of the bottom ends of the two support rods 7-4 to be respectively lapped and pressed at the side of a sleeper to be measured, in the process of moving downwards, the bottom plate 7-1 slides upwards along the corresponding rods II 2-5 to compress the springs II 7-2 so as to enable the springs II 7-2 to generate elastic force, and after the measurement is finished, the elastic force measuring structure 7 can restore to the original state;
after the hand-held rods 1-4 at two sides of the measuring main body 1 are held by hands and pressed downwards, the rods III 2-7 at two sides are finally propped against the ground, the inner frames 8 at two angles move along with the two bottom plates 7-1 respectively, the lower surface line of the bottom plate 7-1 can be used as a pointer to determine the moving distance of the bottom plate 7-1 by taking the graduated scale 2-6 as a standard, the distance is the height of the sleeper at the side from the ground, and after the measurement is finished, whether the settlement phenomenon occurs can be judged according to the comparison of the measured data;
if the moving distance of the two bottom plates 7-1 has a distance difference, the sleeper is inclined, because the two bottom plates 7-1 have the distance difference, the two half frames 8-2 generate a height difference, the elastic rope 9-1 is further lengthened, the elastic rope 9-1 and a ground parallel line form a certain angle, the angle is the inclination angle of the sleeper, in the process, the lengthened elastic rope 9-1 generates relative motion, namely, two ends of the angle measuring rope 9 generate relative motion, namely, one end is improved relative to the other end, and the inclination angle can be determined by taking the elastic rope 9-1 as a pointer through the relatively-motionless protractor 10.
The settlement and the inclination angle of the rail can be measured through the operation, and the device is convenient to use, simple and convenient to operate and accurate in measurement.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (5)
1. The utility model provides a high-speed railway assembled bridge prefabricated construction, is including measuring main part (1) and bracing piece (2), bracing piece (2) are provided with two, and the upper end difference sliding connection of two bracing pieces (2) is in measure both ends about main part (1), its characterized in that: the prefabricated structure of the assembled bridge of the high-speed railway further comprises springs I (3), adjusting screws (4), adjusting rod groups (5), supporting blocks (6), an elasticity measuring structure (7), an angle inner frame (8), an angle measuring rope (9) and a protractor (10), wherein two sliding cavities (1-2) are formed in the two sides of the measuring main body (1), the two springs I (3) are arranged, the inner ends of the two springs I (3) are fixedly connected to the inner side walls of the two sliding cavities (1-2) respectively, the outer ends of the two springs I (3) are fixedly connected with the upper ends of the two supporting rods (2) respectively, the two adjusting screws (4) are arranged, the two adjusting screws (4) are connected to the two sides of the measuring main body (1) in a transmission mode respectively, the inner ends of the two adjusting screws are rotatably connected with the outer sides of the upper ends of the corresponding supporting rods (2), and the adjusting rod groups (5) are rotatably connected in each supporting rod (2), the lower end of the elastic force measuring device is rotatably connected with a supporting block (6), the supporting block (6) is slidably connected to the lower end of the corresponding supporting rod (2), the number of the elastic force measuring structures (7) is two, the two elastic force measuring structures (7) are respectively slidably connected to the lower portions of the two supporting rods (2), the inner side of each elastic force measuring structure (7) is fixedly connected with an angle inner frame (8), the front side and the rear side of the upper end of each angle inner frame (8) are respectively provided with a protractor (10), the number of the angle measuring ropes (9) is two, and the two ends of each angle measuring rope (9) are respectively rotatably connected to the upper portions of the two angle inner frames (8) positioned on the front side and the upper portions of the two angle inner frames (8) positioned on the rear side;
the measuring main body (1) comprises a main body rod (1-1), sliding cavities (1-2), threaded holes I (1-3), holding rods (1-4), scales (1-5), leveling tubes (1-6) and handles (1-7), the two sliding cavities (1-2) are respectively arranged on the left side and the right side of the main body rod (1-1), the main body rod (1-1) is provided with the threaded holes I (1-3), the holding rods (1-4) are provided with two, the two holding rods (1-4) are respectively fixedly connected with the left side and the right side of the main body rod (1-1), the scales (1-5) are respectively arranged on the front and back surfaces of the left side and the right side of the main body rod (1-1), and the two leveling tubes (1-6) are symmetrically arranged in the front and back of the middle of the main body rod, the lifting handle (1-7) is fixedly connected to the middle of the upper end of the main body rod (1-1), and the two adjusting screw rods (4) are respectively connected into the two threaded holes I (1-3) in a threaded fit manner;
the support rod (2) comprises a sliding block (2-1), a rotary hole (2-2), a graduated needle (2-3), a rod I (2-4), a rod II (2-5), a graduated scale (2-6), a rod III (2-7), a threaded hole II (2-8) and a cross groove (2-9), the sliding block (2-1) is connected in a corresponding sliding cavity (1-2) in a sliding mode, the rotary hole (2-2) is arranged on the outer side of the sliding block (2-1), the graduated needles (2-3) are arranged in the middle of the front side and the rear side of the upper end of the sliding block (2-1), the rod I (2-4) is fixedly connected to the lower end of the sliding block (2-1), the rod II (2-5) is fixedly connected to the lower end of the rod I (2-4), two graduated scales (2-6) are symmetrically arranged on the front side and the rear side of the elastic force measuring structure, a rod III (2-7) is fixedly connected with the lower end of the rod II (2-5), threaded holes II (2-8) are arranged in a sliding block (2-1), a rod I (2-4), a rod II (2-5) and a rod III (2-7) in a penetrating manner, cross grooves (2-9) are arranged at the lower end of the rod III (2-7), the outer ends of two springs I (3) are respectively fixedly connected with the two sliding blocks (2-1), the inner ends of two adjusting screws (4) are respectively rotatably connected in the two rotating holes (2-2), two adjusting rod groups (5) are respectively rotatably connected in the two threaded holes II (2-8), the lower part of the elastic force measuring structure (7) is slidably connected on the corresponding rod II (2-5), the supporting blocks (6) are connected in the corresponding cross grooves (2-9) in a sliding manner;
the elasticity measuring structure (7) comprises a bottom plate (7-1), a spring II (7-2), an upper ring (7-3) and a support rod (7-4), the spring II (7-2) is fixedly connected to the inner side of the bottom plate (7-1), the upper ring (7-3) is fixedly connected to the upper end of the spring II (7-2), the stay bar (7-4) is fixedly connected with the lower surface of the inner side of the bottom plate (7-1), the spring II (7-2) and the upper ring (7-3) penetrate through the corresponding rod II (2-5), the upper ring (7-3) is fixedly connected with the rod II (2-5), the outer side of the bottom plate (7-1) is connected with the rod II (2-5) in a sliding way, the angle inner frame (8) is fixedly connected to the inner side of the bottom plate (7-1);
the angle inner frame (8) comprises a folding rod (8-1), a half frame (8-2) and inner connecting rods (8-3), the folding rod (8-1) is fixedly connected to the inner side of the bottom plate (7-1), the half frame (8-2) is fixedly connected to the upper ends of the folding rod (8-1), the inner connecting rods (8-3) are arranged on the inner sides of the upper portions of the half frame (8-2), the end portions of the angle measuring ropes (9) are rotatably connected to the corresponding inner connecting rods (8-3), protractors (10) are arranged on the front side and the rear side of the upper end of the half frame (8-2), and the centers of the front side and the rear side of the upper end of the half frame (8-2) are coincided with the circle center of the protractors (10);
the angle measuring rope (9) comprises an elastic rope (9-1) and a connecting ring (9-2), the two ends of the elastic rope (9-1) are fixedly connected with the connecting ring (9-2), and the connecting ring (9-2) is rotatably connected to the corresponding inner connecting rod (8-3).
2. The fabricated bridge girder prefabricated structure of a high-speed railway according to claim 1, wherein: the inner end of the adjusting screw rod (4) is provided with a transfer end I (4-1), and the transfer end I (4-1) is rotatably connected in the corresponding transfer hole (2-2).
3. The prefabricated structure of assembled bridge girder for high speed railway according to claim 2, wherein: the adjusting rod group (5) comprises an upper threaded rod (5-1), a lower sliding rod (5-2) and a switching end II (5-3), the upper end and the lower end of the lower sliding rod (5-2) are respectively fixedly connected with the upper threaded rod (5-1) and the switching end II (5-3), the supporting block (6) is rotatably connected to the corresponding switching end II (5-3), and the upper threaded rod (5-1) is connected into the corresponding threaded hole II (2-8) in a threaded fit mode.
4. The fabricated bridge girder prefabricated structure of a high-speed railway according to claim 3, wherein: the supporting block (6) comprises a cross plate (6-1), a bottom pad (6-2) and a hole (6-3), the bottom pad (6-2) is arranged on the lower surface of the cross plate (6-1), the hole (6-3) penetrates through the cross plate (6-1) and the bottom pad (6-2), the transfer end II (5-3) is rotatably connected in the hole (6-3), and the cross plate (6-1) is connected in a corresponding cross groove (2-9) in a sliding mode.
5. The construction method of the prefabricated structure of the assembled bridge girder of the high-speed railway according to claim 4, wherein: the method comprises the following steps:
the method comprises the following steps: when the device is used, the two adjusting screws (4) are rotated according to the width of the rail sleeper to respectively drive the positions of the two supporting rods (2), the distance between the two supporting rods (2) is changed, and the distance between the two elastic force measuring structures (7) is adapted to the width of the sleeper after adjustment;
step two: the two sides of the measuring main body (1) are held by hands, and are pressed downwards, so that the lower ends of the inner sides of the two elasticity measuring structures (7) are pressed against the side of the sleeper, the bottoms of the two supporting rods (2) are pressed against the ground, and the distance of the two elasticity measuring structures (7) moving upwards is the distance between the two sides of the sleeper and the ground;
step three: if the moving distances of the two angle inner frames (8) have a distance difference, the sleeper is inclined, and the inclination angle can be determined by the measuring relation of the angle measuring rope (9) and the angle gauge (10).
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| CN210596855U (en) * | 2019-07-15 | 2020-05-22 | 中铁第一勘察设计院集团有限公司 | All-weather monitoring device for differential settlement of structure under high-speed railway line |
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| EP0044885A1 (en) * | 1980-07-24 | 1982-02-03 | Speno International S.A. | Method and apparatus for determining at least one geometrical characteristic of the rail heads of a railway track |
| CN208171164U (en) * | 2018-04-18 | 2018-11-30 | 广东有色工程勘察设计院 | Ground fissure deformation monitoring system |
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